»> This happens because the veins in the head do not have valves, responsible for pushing the blood upwards. Without this accessory, blood circulates more slowly in the region when we are upside down. But why then doesn’t the blood…
»> And yes! During digestion, oxen and cows produce a lot of methane, a gas that contributes 23% of the greenhouse effect and is 21 times more active than carbon dioxide in retaining the sun’s rays that warm the globe!…
The Mentos candies cause a small revolution in the bottle: in contact with the soda, the candies increase the amount of gas and cause the appearance of large bubbles, which tend to escape in the form of an explosive jet.…
»> Because it increases the volume of blood inside the veins and arteries. This happens due to a chemical characteristic of sodium chloride (table salt): it attracts water molecules to itself. When a person ingests too much salt, this substance…
(/) Reader Question – Gleice, Sao Paulo-SP He was the chief of the Roman soldiers who, on the way to the crucifixion of Jesus, pierced his chest with a spear (which, incidentally, is the translation of his Latin name, Longinus).…
(/) Jericho. She is in the West Bank, in the middle of the conflicts between Palestinians and Israelis, a region too tumultuous for an old lady. Mentioned in both the Old and New Testaments, the city has been destroyed and…
reader question Kaique Rossoni, Colatina, ES Photograph Bruna Sanches Probably from an excerpt from the Bible. More precisely, verse 19 of chapter 3 of the book of Genesis, where it is written: “In the sweat of your face you shall…
EFFERVESCENT REMEDY TdF suggestedMatheus Albuquerque Photograph Daniel Ozana/Studio Oz edition Felipe van Deursen The formula for the effervescent tablet can vary depending on the remedy, but the basic ingredients are usually an organic acid and a carbonate base. The bubble…
1) Start the day with bacon noodles Ideal for your breakfast. 2) Keep the diet with the “sweet potato” flavor Sold in China, it won’t ruin your strict bodybuilding routine. 3) Would you dare to try the “clam soup” flavor?…
It is an impressive phenomenon that usually occurs in cemeteries or swamps. From time to time, mysterious bluish flames appear, which appear for a few seconds on the surface and then disappear without a trace. Today, scientists know that this…